Lacikof-LS Junior Syrup is a combination medicine used in the treatment of cough with mucus. It thins mucus in the nose, windpipe, and lungs, making it easier to cough out. It also provides relief from runny nose, sneezing, itching, and watery eyes. The most common side effects are stomach upset, shivering, increased heart rate, nausea, vomiting, and headache. Most of these are temporary and usually resolve with time. Avoid drinking alcohol while taking this medicine as it can make sleepiness worse.